Benthic invertebrates in soft-substrate, shallow-water habitats in Lower Granite Reservoir, 1994-95

Pool, Suzan Samantha; Ledgerwood, Richard D.

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Benthic invertebrates in soft-substrate, shallow-water habitats in Lower Granite Reservoir, 1994-95

1997
By Pool, Suzan Samantha ; Ledgerwood, Richard D.

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Details:

Personal Author:

Pool, Suzan Samantha ; Ledgerwood, Richard D.

Pool, Suzan Samantha ; Ledgerwood, Richard D. Less -
Corporate Authors:

Northwest Fisheries Science Center (U.S.). Coastal Zone and Estuarine Studies Division. ; United States. Army. Corps of Engineers. Walla Walla District.

Northwest Fisheries Science Center (U.S.). Coastal Zone and Estuarine Studies Division. ; United States. Army. Corps of Engineers. Walla Walla District. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; NWFSC (Northwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; NWFSC (Northwest Fisheries Science Center) Less -
Description:

In an effort to recover dwindling Snake River salmon runs, a drawdown or lowering of the water level in Lower Granite Reservoir has been proposed. Some fisheries managers believe that reservoir drawdown would help restoration efforts for depleted upriver stocks of Snake River chinook (Oncorhynchus tshawytscha) and sockeye salmon (O. nerka). The drawdown would simulate a free-flowing river, which would theoretically decrease downstream travel time and thus increase the survival of juvenile salmonids (Oncorhynchus spp.) (U.S. Army Corps of Engineers 1992a). However, possible adverse effects of a drawdown include changes in the benthic invertebrate community, which has been found to be an important constituent of juvenile salmonid diet in the Columbia River system (Becker 1973, Kirn et al. 1986, Muir and Emmett 1988, Muir and Coley 1996).
Keywords:

[+]

Aquatic Invertebrates Benthos River Sediments
Format:

PDF
Document Type:

Non-series Report
Funding:

Contract no. E86940115
Place as Subject:

Lower Granite Lake (Wash. and Idaho)
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:c4e96431b497bfcd7fdb84bd6ebcf628428be6de6e28cd380988ae37596027ce
Download URL:

https://repository.library.noaa.gov/view/noaa/56363/noaa_56363_DS1.pdf
File Type:

Machine Readable Version (JSON)

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